Site Title

Compare Fujifilm XF 100-400mm F4.5-5.6 vs Tamron 17–70mm F2.8

Reviews

Neo score
43%
59%
Pros
  • Optically stabilized
  • Zoom lock prevents zoom creep
  • Weather-sealed
  • Comes with physical aperture ring
  • Comes with a tripod collar
  • Great image quality
  • Optically stabilized
  • Weather-sealed
  • Decent build quality
Cons
  • Very dark maximum aperture
  • Large and heavy like a full-frame lens
  • Not the highest grade of image quality

Price

Offers (incl. referral links)

Construction

Aperture Blades
9 blades
9 blades, Circular diaphragm
Colors
Black
Form Factor
Super Telephoto Zoom Lens
Standard Zoom Lens
Image Size
APS-C
APS-C
Lens Barrel
Physical aperture ring, Focus limiter, Tripod collar
Lens Mount
Fujifilm X-mount
Fujifilm X-mount, Sony E-mount
Motor
Linear Motor
Stepper motor
Optical Formula | Elements
21 elements
16 elements
Optical Formula | Groups
14 groups
12 groups
Optical Formula | Special Glass
Five ED and 1 Super ED element + fluorine coating groups
Two GM (Glass Molded Aspherical) elements and one hybrid aspherical lens element. groups

Dimensions

Filter Diameter
82 mm / 3.23 in
67 mm / 2.64 in
Size | Diameter
95 mm / 3.74 in
75 mm / 2.95 in
Size | Length
211 mm / 8.31 in
120 mm / 4.72 in
Weight
1375 g / 48.59 oz
530 g / 18.73 oz

Function

Angle Of View
16.4° Diagonal | 13.7° Horizontal | 9.1° Vertical (wide) ~ 4.1° Diagonal | 3.4° Horizontal | 2.3° Vertical (tele)
80.7° Diagonal | 70.4° Horizontal | 50.4° Vertical (wide) ~ 23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (tele)
Aperture
f/4.5–5.6 ~ f/22
f/2.8
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
100 mm ~ 400 mm
17 mm ~ 70 mm
Focal Length (35mm Equivalent)
150.0 mm ~ 600.0 mm
25.5 mm ~ 105.0 mm
Focus Type
Extending front
Internal
Image Stabilization
Yes
Yes
Weather Resistance
Yes
Yes
Zoom Type
External zoom (zoom lock available)
External zoom

Performance

Max Magnification
0.19x
Min Focus Distance
1750 mm / 68.90 in
200 mm / 7.87 in

Production

Accessory
Lens hood included
Lens hood included
Debut
2016-01-15
2022-06-16
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